CN208899352U - A kind of concrete arch rib Covered with Angles sleeve-board group and its bracing means - Google Patents
A kind of concrete arch rib Covered with Angles sleeve-board group and its bracing means Download PDFInfo
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Abstract
This application provides a kind of concrete arch rib Covered with Angles sleeve-board group and its bracing means, it is related to strengthening of arch rib technical field, steel plate set group includes one or more steel plate set, top plate, bottom plate and side plate composition cross section are that the steel plate of quadrangle covers shell, perpendicular rib and laterally big rib are evenly arranged on the side plate of steel plate set, WELDING STUDS is welded on the inner wall of steel plate set, it erects and is provided between opposite two sides laterally big rib to pull rod between rib in opposite two sides, it can prevent in concreting process, because there is " bulge " phenomenon in steel plate discontinuity, concrete is after the completion of pouring, bracing means is removed, steel plate set forms a whole with concrete, it is common to bear arch bridge bring horizontal thrust, prevent concrete arch rib cracking, it avoids and it is reinforced with steel plate again after arch rib cracking simultaneously during operation, transformation and The problem of maintenance, time-consuming consumptive material and influence concrete arch rib aesthetics.
Description
Technical field
This application involves strengthening of arch rib technical field more particularly to a kind of concrete arch rib Covered with Angles sleeve-board group and its reinforcings
Device.
Background technique
With China railways, expressway construction project it is increasing, construct a bridge in the poor deep mountain valleys of condition
Engineering it is more and more, especially long-span steel arch bridge because structure as arch bridge particularly suitable for paddy stream deeply anxious, construction ring
The severe plateau narrow valley region in border, so especially paying close attention to for bridge arch rib, closing up in Arch Bridge Construction with system transform is arch
The committed step of rib installation.
Arch Bridge Construction mostly uses prefabrication and assembly construction construction method, and arch rib is prefabricated in advance, transports to scene and is assembled, conventional
Arch rib closes up mode are as follows: cast-in-place successively poured from arch springing to vault to arch rib top of armored concrete arch rib is closed up, to concrete slow setting
Time and poring rate require high, it is necessary to complete closing up for arch rib before formerly pouring concrete initial set.
But arch bridge, during construction and operation, the horizontal thrust due to constantly increasing accumulation makes in soft overburden
Each pile of the main pier of multi-column pier foundation is by biggish horizontal shear, and main pier, which is accordingly accumulated to end bay, generates " modeling is compacted " displacement, to deposit
In great arch rib cracking risk, it reinforced, be transformed and be repaired after arch rib cracking, but for the reinforcing of arch rib,
Transformation and maintenance be a complicated engineering, the method restricted application of repairing is costly, the duration it is longer and repair after
Arch bridge can affect whole visual effect because the trace of repairing becomes unsightly.
Utility model content
This application provides a kind of concrete arch rib Covered with Angles sleeve-board group and its bracing means, for solving in operation process
Middle concrete arch rib cracking, the time-consuming consumption wealth effort of later period repairing, and the arch bridge after repairing can be because the trace of repairing become not beautiful
The problem of sight.
The first aspect of the embodiment of the present application provides a kind of concrete arch rib Covered with Angles sleeve-board group, the steel plate set group packet
Including one or more steel plate set, the steel plate set includes: top plate and bottom plate, two side plates and WELDING STUDS,
The top plate, the bottom plate and side plate composition cross section are that the steel plate of quadrangle covers shell；
Cloth hole is offered on the top plate of each steel plate set group；
The WELDING STUDS is provided on the inner wall of the steel plate set.
Optionally, the edge of the top plate and the bottom plate is arranged in arc-shaped.
Optionally, the top plate, the bottom plate and the side plate are welded by plurality of steel plates.
Optionally, it is connected to one by welding between top plate described in every two, the bottom plate and the side plate
It rises.
Optionally, the commissure of top plate described in every two, the bottom plate and the side plate is welded with multiple horse plates.
Optionally, it is connected by welding between the top plate and the side plate, the bottom plate and the side plate
Together.
Optionally, the weld seam between side plate described in the weld seam and muti-piece between top plate described in muti-piece is not in same straight line
On.
Optionally, the weld seam between side plate described in the weld seam and muti-piece between bottom plate described in muti-piece is not in same straight line
On.
Optionally, hole of vibrating is also provided on the top plate of each steel plate set group.
The second aspect of the embodiment of the present application provides a kind of concrete arch rib Covered with Angles sleeve-board group bracing means, described to add
It is fixedly mounted with the steel plate set group set for reinforcing the offer of the embodiment of the present application first aspect,
The bracing means includes perpendicular rib, laterally big rib and to pull rod,
The perpendicular rib covers the radially uniform arrangement of arch along the steel plate；
The big rib of transverse direction is evenly arranged along steel plate set arch；
It is described to pull rod that setting one or two between rib is erected described in opposite two sides, it is laterally big described in opposite two sides
It is arranged between rib a pair of described to pull rod.
The technical scheme provided by the application includes following advantageous effects:
The first aspect of the embodiment of the present application provides a kind of concrete arch rib Covered with Angles sleeve-board group, and steel plate set group includes one
A or multiple steel plate sets, steel plate set include: top plate and bottom plate, two side plates and WELDING STUDS, and top plate and bottom plate and side plate composition are horizontal
Section be quadrangle steel plate cover shell, steel plate set top plate on be provided with cloth hole, for after steel plate set is installed from
Cloth injects concrete in hole, pours to steel plate set.The second aspect of the embodiment of the present application provides a kind of concrete arch
Rib Covered with Angles sleeve-board group bracing means, bracing means include erecting rib, laterally big rib and to pull rod, erecting rib along steel plate and cover arch axis line footpath
To being evenly arranged；Laterally big rib is evenly arranged along arch；Setting one or two is erected between rib to pull rod in opposite two sides,
Setting a pair is to pull rod between the lateral big rib in opposite two sides.Bracing means be in order to prevent in concreting process, because
There is " bulge " phenomenon in steel plate discontinuity, prevents the mould that rises.Concrete after the completion of pouring, remove, and by steel by bracing means
All preformed holes are closed on sleeve-board, are provided with WELDING STUDS on the inner wall of steel plate set, for bearing to push away together with steel plate set
Power, after preventing concrete from having intensity, steel plate set is subjected to displacement and deformation, and steel plate set group forms a whole with concrete, jointly
Arch bridge bring horizontal thrust is born, for preventing concrete arch rib cracking, while arch rib during operation is avoided and cracking
It is reinforced, be transformed and is repaired with steel plate again afterwards, time-consuming consumptive material and influence concrete arch rib aesthetics the problem of.
Detailed description of the invention
In order to illustrate more clearly of the technical solution of the application, letter will be made to attached drawing needed in the embodiment below
Singly introduce, it should be apparent that, for those of ordinary skills, without any creative labor,
It is also possible to obtain other drawings based on these drawings.
Fig. 1 is the schematic cross-section of steel plate provided by the embodiments of the present application set.
Fig. 2 is the schematic cross-section of another steel plate set provided by the embodiments of the present application.
Fig. 3 is the structural schematic diagram of top plate provided by the embodiments of the present application.
Fig. 4 is the application schematic diagram of steel plate provided by the embodiments of the present application set.
Fig. 5 is the connection relationship diagram provided by the embodiments of the present application to pull rod and perpendicular rib, lateral big rib.
Description of symbols:
1, top plate；2, bottom plate；3, side plate；4, WELDING STUDS；5, rib is erected；6, lateral big rib；7, to pull rod；8, horse plate；9, steel
Lath；10, skewback；11, cloth hole；12, it vibrates hole.
Specific embodiment
Illustratively, as shown in Figure 1, the first aspect of the embodiment of the present application provides a kind of concrete arch rib encased steel plate
The front view of set, steel plate set include: top plate 1, bottom plate 2, side plate 3 and WELDING STUDS 4, and top plate 1, bottom plate 2 and side plate 3 form cross section
Shell is covered for the steel plate of quadrangle, steel plate set can be welded by a monolith steel plate, i.e., be welded on the both ends that steel plate is open
Together, the technique processing of other parts bending, so that steel plate covers shell by 1, bottom plate 2 of a top plate and two side plates 3
Form the quadrangle of a closure.
Optionally, steel plate set shell can also be welded by four blocks of steel plates, for example, we select 1cm thick, specification is
The steel plate width of the steel plate of Q345d, 1cm thickness Q345d has the plurality of specifications such as 1.2m, 1.5m, 2.5m again, in order to guarantee arc rib alignment
Reduce steel plate weld seam quantity on the basis of grace to the greatest extent, we select the steel plate of 1.5m wide, for manufacturing steel described herein
The material of sleeve-board is not limited to the steel plate of 1.5m, and concrete condition is depending on site operation situation.
Illustratively, as shown in Fig. 2, for the ease of the welding between plate, by top plate 1 and the setting of 2 edge of bottom plate in circle
Then arcuation welds together with side plate 3, four angles of quadrangle are arranged to arc-shaped, add portion to arch rib first
Secondly aesthetic feeling can buffer the impact force of concrete when concreting, the stress at four angles is from point to face, so that steel
The bearing capacity of sleeve-board shell is more preferable, and service life is also longer.
Illustratively, as shown in figure 3, offering cloth hole 11 on the top plate 1 of steel plate set group, the quantity in cloth hole 11 is extremely
It is one less, the purpose in setting cloth hole 11 is in work progress, need after steel plate set group is installed on skewback 10
It carries out concrete to steel plate set group to pour, cloth hole 11 needs to be arranged in steel plate set group in advance as the feed inlet of concrete
Good, the size needs in cloth hole 11 are determined according to the size of engineering and the convenience degree of work progress.
Optionally, as shown in figure 3, while opening up cloth hole 11, hole 12 of vibrating also is offered on top plate, hole of vibrating
12 quantity is at least one.Because concrete whether during stirring or transport, can all generate bubble, so that mixed
It cannot be closely bonded between solidifying soil, there are certain gaps, the density of concrete are reduced, so can be on the top of steel plate set group
Setting is vibrated hole 12 on plate, and the size in hole 12 of vibrating is also the length according to vibrating spear and vibrates and act on effective radius to be arranged
, after concrete is added by cloth hole 11, regularly it is layered and vibrates by hole 12 of vibrating, the honeycomb of concrete can be eliminated
Pitted skin phenomenon, concrete density become larger, and improve the intensity of concrete.
Cloth hole 11 and hole 12 of vibrating have ventilative function concurrently, in the construction process, by vibrating to concrete, coagulation
Extra air will be discharged by the two holes in soil, can thus allow the gas permeability of concrete to be deteriorated, if concrete
Interior package has reinforcing bar, can slow down the corrosion rate of rebar surface, extends the service life of reinforcing bar.
Illustratively, as shown in Figure 1, multiple groups WELDING STUDS 4 is provided on the inner wall of steel plate set, whether in top plate 1, bottom plate
2 or side plate 3 inner wall on be provided with WELDING STUDS 4, WELDING STUDS 4 is uniformly distributed and fully considers arch rib steel bar arrangement and steel plate
The form of fracture of set, WELDING STUDS 4 is the component that is arranged in order to resist the shearing of concrete, for resisting between steel plate and concrete
Connection is cut, WELDING STUDS 4 and steel plate are worked together, the thrust between concrete and steel plate is effectively transmitted and separates the two
" starting power ", finally make concrete and steel plate combination at an entirety, the common horizontal thrust for bearing arch bridge.In steel plate set
WELDING STUDS 4 is uniformly set on inner wall, and construction technology belongs to machine automatization weldering, greatly improves work efficiency, construction cost
It is relatively low, extensively used by engineering construction.
Due to the difference of project amount, so the arch rib specification set up has very big difference, arch rib is by concrete housing
If steel plate set group composition, if project amount is larger, the specification for needing steel plate to cover also becomes larger accordingly, the prior art, disposably
The biggish steel plate set of specification can not be produced, at this time just needs to weld together multiple top plates 1, bottom plate 2 and side plate 3, is spelled
It picks up to use, in order to make multiple top plates 1, bottom plate 2 and side plate 3 in splicing, seam crossing can be aligned, and the application is in seam crossing
Provided with multiple groups horse plate 8, horse plate 8 is first connected to the first steel plate in a manner of being parallel to seam and the second steel plate seam crossing one encloses,
Then spot welding is carried out to it, checks position after being soldered, carry out whole welding again if there is no problem, 8 bottom of horse plate is close to weld seam
Place be reserved with hole, convenient for weld horse board bottom portion weld seam.
Illustratively, as shown in figure 4, for the application schematic diagram that the application steel plate covers, it is arranged two sections in the two sides of skewback 10
Steel plate set group, concrete crack, together before pouring skewback 10 in order to prevent concrete arch rib and end floor beam and 10 junction of skewback
When in order to guarantee that arch rib concrete pours when avoid spillage, be embedded with steel plate strip 9 respectively in the two sides of skewback 10, steel plate strip 9 exists
After 10 concreting of skewback, protruding 10cm is used to support steel plate set, after the completion of steel plate set is set up, pre-buried steel lath 9
It is welded into an entirety with steel plate set, and steel plate set is also wanted in pre-buried a part to end floor beam and skewback 10 in the construction process,
And pre-buried length is not less than 20cm.
As shown in figure 4, in-site installation is covered for the ease of steel plate, by top plate 1, side plate 3, bottom plate before steel plate set is set up
2 welding are completed, and WELDING STUDS 4 also with steel plate set inner wall welding, vibrates hole 12 and cloth hole 11 has also carried out reserved setting, and will open
If the steel plate block of preformed hole saves, closed after the completion of concreting, then by preformed hole.
Optionally, when steel plate set group is welded by muti-piece top plate 1, muti-piece side plate 3 and muti-piece bottom plate 2, such as Fig. 4 institute
Show, the weld seam between the weld seam between muti-piece top plate 1 and muti-piece side plate 3 is not arranged on the same straight line, and the purpose welded in this way is
In order to reduce the impact force that weld seam receives concrete, upper and lower weld seam is not arranged on the same straight line, and can uniformly disperse concrete
Bring pressure reduces the influence to steel plate set service performance.
Optionally, the weld seam between the weld seam and muti-piece side plate 3 between muti-piece bottom plate 2 is also used and is not arranged on the same straight line
Welding manner, purpose receives the impact force of concrete also for weld seam is reduced, and upper and lower weld seam is not arranged on the same straight line, can
Uniformly to disperse concrete bring pressure, the influence to steel plate set service performance is reduced.
As shown in figure 4, the second aspect of the embodiment of the present application provides a kind of concrete arch rib Covered with Angles sleeve-board group reinforcing
Device, the bracing means are used for steel plate set provided by the present application.
Bracing means includes erecting rib 5, laterally big rib 6 and to pull rod 7, erecting rib 5 along steel plate and cover the radially uniform arrangement of arch,
The length of perpendicular rib 5 and the height of steel plate set have relationship, according to the length that practical steel plate covers, set a fixed horizontal spacing,
According to reserved position, perpendicular rib 5 is fixed on the side plate 3 of steel jacket box with fastener, is used for steel when casting concrete
Sleeve-board will not lead to the change of arch rib shape because of the deformation of itself, be provided between the opposite perpendicular rib 5 in the left and right sides one or
Person two pull rod 7 is arranged on top plate 1 and bottom plate 2 pull rod 7, and the both ends to the both ends of pull rod 7 respectively with perpendicular rib 5 pass through
Fastener connection, if the bottom plate of steel plate set and the bracket of bottom plate have been fixed, while perpendicular rib is connected by fastener and mount holder
It connects, there is no need to be installed again to pull rod to fix perpendicular rib on bottom plate, the setting of pull rod 7 is made in order to by the position of the perpendicular rib 5 of two sides
Set fixation.
Laterally big rib 6 is evenly arranged along steel plate set arch, and laterally the quantity of big rib 6 can be according to the height that steel plate covers come really
Fixed, length is determined according to the length that steel plate cover, and laterally the distance between big rib 6 is equal two-by-two, and left and right it is opposite laterally greatly
It is provided with two groups between rib 6, the side wall of steel plate set, extending area and cross are pierced by pull rod 7 across steel plate set inside to pull rod 7
It is connected to big rib 6 by fastener, two groups are to fix the position of the laterally big rib 6 of two sides to the setting of pull rod 7.
Entire steel plate set by laterally and vertical reinforcing, can effective fixation steel plate set shape, exist in order to prevent
In concreting process, because " bulge " phenomenon occurs in steel plate discontinuity, concrete after the completion of pouring, tear open by bracing means
It removes, the outer surface of steel plate set can be packed according to the requirement of construction, can be painted paint or be wrapped up, to a certain degree
On increase whole aesthetics, concrete also needs to cover steel plate upper all preformed holes after the completion of pouring and is closed,
Steel plate set forms a whole with concrete, common to bear arch bridge bring horizontal shear, for preventing concrete arch rib cracking,
It is reinforced, be transformed and is repaired with steel plate again after avoiding arch rib cracking simultaneously, time-consuming consumptive material and influence concrete arch rib
Aesthetics the problem of.
Optionally, it erects rib 5 and selects channel steel, be vertically fixed on fastener on the side plate 3 of steel plate set, the section of channel steel is general
It is the strip steel of spill, specification is usually to be indicated with millimeter.Channel steel is also classified into common channel steel and thin-wall channel, stress
Point is in the wing plate of channel steel, so perpendicular rib 5 should stand and be arranged on the side plate 3 of steel plate set, channel steel has good resistance to atmosphere rotten
Corrosion energy and high-tensile and proof strength, thus it is relatively durable, it is used as bracing means in this application, can be very good to prop up
Steel plate set is supportted, avoids steel plate from covering and is subjected to displacement when carrying out concreting and deformation, while erecting rib 5 to make repeatedly
With, saved construction cost.
Optionally, laterally big rib 6 selects I-steel, splices on the side plate 3 that steel plate covers, I-steel includes common I-shaped again
Steel, lightweight I-beam and low-alloy are light-duty, and the purpose for selecting I-steel is because the I-steel edge of a wing is wide, and lateral rigidity is big, resist
Curved ability is strong.And two surface of the edge of a wing is parallel to each other so that connect, process, simple installation, at low cost compared with normal section steel, essence
Degree is high, and residual stress is small, without expensive welding material and weld seam detection, saves structure steel fabrication cost 30% or so.It is identical
Under the load of section, than traditional structure weight saving 15%-20%.Compared with concrete structure, i-beam structure can increase 6% use
Area, and dead load mitigates 20%-30%, reduces structure and designs internal force.I-steel can be processed into T-steel, and Honeycomb Beam can be through
Combination forms various section forms, greatly meets engineering design and production demand.
The first aspect of the embodiment of the present application provides a kind of concrete arch rib Covered with Angles sleeve-board group, and steel plate set group includes one
A or multiple steel plate sets, steel plate set include: top plate and bottom plate, two side plates and WELDING STUDS, and top plate and bottom plate and side plate composition are horizontal
Section be quadrangle steel plate cover shell, steel plate set top plate on be provided with cloth hole, for after steel plate set is installed from
Cloth injects concrete in hole, pours to steel plate set.The second aspect of the embodiment of the present application provides a kind of concrete arch
Rib Covered with Angles sleeve-board group bracing means, bracing means include erecting rib, laterally big rib and to pull rod, erecting rib along steel plate and cover arch axis line footpath
To being evenly arranged；Laterally big rib is evenly arranged along arch；Setting one or two is erected between rib to pull rod in opposite two sides,
Setting a pair is to pull rod between the lateral big rib in opposite two sides.Bracing means be in order to prevent in concreting process, because
There is " bulge " phenomenon in steel plate discontinuity, prevents the mould that rises.Concrete after the completion of pouring, remove, and by steel by bracing means
All preformed holes are closed on sleeve-board, are provided with WELDING STUDS on the inner wall of steel plate set, for bearing to push away together with steel plate set
Power, after preventing concrete from having intensity, steel plate set is subjected to displacement and deformation, and steel plate set group forms a whole with concrete, jointly
Arch bridge bring horizontal thrust is born, for preventing concrete arch rib cracking, while arch rib during operation is avoided and cracking
It is reinforced, be transformed and is repaired with steel plate again afterwards, time-consuming consumptive material and influence concrete arch rib aesthetics the problem of.
It should be noted that such as the terms "include", "comprise" or its any other variant are intended to nonexcludability
Include so that including the article of a series of elements or equipment not only includes those elements, but also including not bright
The other element really listed, or further include for elements inherent to such a process, method, article, or device.Do not having
In the case where more limitations, the element that is limited by sentence "including a ...", it is not excluded that include the element process,
There is also other identical elements in method, article or equipment.
The above is only the specific embodiment of the application, is made skilled artisans appreciate that or realizing this Shen
Please.Various modifications to these embodiments will be apparent to one skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the application.Therefore, the application
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest scope of cause.
It should be understood that the application is not limited to the content for being described above and being shown in the accompanying drawings, and can
To carry out various modifications and change without departing from the scope.Scope of the present application is only limited by the accompanying claims.
Claims (10)
1. a kind of concrete arch rib Covered with Angles sleeve-board group, which is characterized in that the steel plate set group includes one or more steel plate
Set, the steel plate set include: top plate (1), bottom plate (2), two side plates (3) and WELDING STUDS (4),
The top plate (1), the bottom plate (2) and the side plate (3) composition cross section are that the steel plate of quadrangle covers shell；
Cloth hole (11) are offered on the top plate (1) of each steel plate set group；
The WELDING STUDS (4) are provided on the inner wall of the steel plate set.
2. steel plate set group according to claim 1, which is characterized in that the top plate (1) and the edge of the bottom plate (2) are in
Arc-shaped setting.
3. steel plate set group according to claim 1, which is characterized in that the top plate (1), the bottom plate (2) and the side
Plate (3) is welded by plurality of steel plates.
4. steel plate set group according to claim 1, which is characterized in that top plate described in every two (1), the bottom plate (2) and
It links together by welding between the side plate (3).
5. steel plate set group according to claim 4, which is characterized in that top plate described in every two (1), the bottom plate (2) and
The commissure of the side plate (3) is welded with multiple horse plates (8).
6. steel plate set group according to claim 4, which is characterized in that the top plate (1) and the side plate (3), the bottom
It links together by welding between plate (2) and the side plate (3).
7. steel plate set group according to claim 4, which is characterized in that weld seam and muti-piece between top plate described in muti-piece (1)
Weld seam between the side plate (3) is not arranged on the same straight line.
8. steel plate set group according to claim 4, which is characterized in that weld seam and muti-piece between bottom plate described in muti-piece (2)
Weld seam between the side plate (3) is not arranged on the same straight line.
9. steel plate set group according to claim 1, which is characterized in that the top plate (1) of each steel plate set group
On be also provided with hole of vibrating (12).
10. a kind of concrete arch rib Covered with Angles sleeve-board group bracing means, the bracing means is any for reinforcing claim 1-9
Steel plate set group described in, which is characterized in that the bracing means includes perpendicular rib (5), laterally big rib (6) and to pull rod (7),
The perpendicular rib (5) covers the radially uniform arrangement of arch along the steel plate；
The big rib of transverse direction (6) is evenly arranged along steel plate set arch；
It is erected described in opposite two sides and is provided with one or two described to pull rod (7), cross described in opposite two sides between rib (5)
It is a pair of described to pull rod (7) to being provided between big rib (6).
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108716191A (en) * | 2018-08-16 | 2018-10-30 | 中交路桥北方工程有限公司 | A kind of concrete arch rib Covered with Angles sleeve-board group and its bracing means |
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| CN108716191A (en) * | 2018-08-16 | 2018-10-30 | 中交路桥北方工程有限公司 | A kind of concrete arch rib Covered with Angles sleeve-board group and its bracing means |
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